Valley Green Weather Forecast

    • 56
    • 81

    Increasing Clouds

    • 54
    • 77

    Partly Sunny

    • 58
    • 84

    Sunny

    • 61
    • 91

    Sunny

    • 61
    • 91

    Sunny

    • 60
    • 88

    Mostly Sunny

Today 26 Sep East Bay Interior Valleys

Sunny. Highs in the upper 70s. West Winds 5 to 15 Mph.

Tonight 26 Sep East Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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Valley Green Temperature Statistics

September Temperature

Livermore, Livermore Municipal Airport (16.8 miles)

  • Lowest 5 September, 2026

    50.6 °F

  • Average September

    69.8 °F

  • Highest 9 September, 2026

    104.6 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    74 °F
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